Define each of the words in 3-5 words and write a sentence about each Cold blooded animals Negative Feedback Positive Feedback Excretory System Respiratory System Immune System

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.

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answer; microsoft;